<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8"/>
  <title>Title</title>
  <style>
    body{font-family:SimSun;}
    .title{align-content: center;text-align: center;}
    .signature{float:right }
  </style>
</head>
<body>
<div>
  <h1 class="title">标题</h1>
  <h4 class="title">副标题</h4>
  <span>当前时间: ${date_time} </span>
  <div class="signature">日期：${date}</div>
</div>
</body>
</html>